1813520

素因数分解:

$2^4\times 5^1\times {\mathrm{22669}}^1$

素因数の和:22682

約数の個数: 20

約数和(自身を含む): 4216620

約数和(自身を除く): 2403100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22669, 45338, 90676, 113345, 181352, 226690, 362704, 453380, 906760, 1813520]

約数ペア:

[(1, 1813520), (2, 906760), (4, 453380), (5, 362704), (8, 226690), (10, 181352), (16, 113345), (20, 90676), (40, 45338), (80, 22669)]